{"product_id":"carrier-py3pea042060ab-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for PY3PEA042060AB","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model PY3PEA042060AB\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier \u003cstrong\u003eDirect Spark Ignition (DSI) Control Board\u003c\/strong\u003e (part number \u003cstrong\u003eLH33WP002\u003c\/strong\u003e), factory-specified for the \u003cstrong\u003eCarrier PY3PEA042060AB\u003c\/strong\u003e packaged unit. The DSI control board is the command center of the heating section — it sequences the ignition trial, monitors the flame sensor signal, manages safety lockouts, and coordinates the inducer, gas valve, and blower outputs. When this board fails, common symptoms include a no-heat condition, repeated ignition lockout faults, failure to advance past the inducer pre-purge stage, or erratic heating cycles that cannot be resolved by resetting the thermostat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) control board | 460V application | OEM part number LH33WP002 | Also supersedes legacy part LH33WP002A | Factory-matched timing sequences and safety thresholds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — not an aftermarket clone. OEM boards preserve exact ignition trial timing, lockout logic, and flame-sense sensitivity that generic boards frequently miscalibrate, risking nuisance lockouts or unsafe ignition behavior.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires disconnect of 120V\/24V wiring harnesses and careful terminal labeling before removal. Recommended tools: flathead and Phillips screwdrivers, needle-nose pliers, phone camera for wiring photos, multimeter for pre-install voltage verification. A qualified HVAC technician is strongly recommended for this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PY3PEA042060AB\u003c\/strong\u003e packaged gas\/electric unit. Also fits a wide range of Carrier 48-series commercial packaged units — verify your unit's data plate and existing part number before ordering. Our parts specialists are available to confirm fitment at no charge before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640426254707,"sku":"CARRIE-PY3PEA042060AB-CONTROL_BOARD-LH33WP002","price":499.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640426287475,"sku":"CARRIE-PY3PEA042060AB-CONTROL_BOARD-LH33WP002-GEN","price":439.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP002_d98547a2-5c3d-4cff-8f00-61adace24e77.jpg?v=1775027788","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3pea042060ab-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}